There are total 13 hours or 780 minutes from 7am to 8pm. In words, this duration is equal to thirteen hours or seven hundred eighty minutes.
How many hours from
| 1AM to 11AM | 7PM to 1AM | 10PM to 1PM |
| 10AM to 9PM | 9PM to 8PM | 1AM to 12PM |
| 1AM to 5AM | 2PM to 5AM | 11AM to 12AM |
| 4PM to 11PM | 6AM to 12AM | 10PM to 12PM |
| 1PM to 1AM | 9AM to 11AM | 8AM to 2PM |
| 1PM to 7AM | 10PM to 2AM | 12PM to 1PM |
